Seat



FIG. 1 is a front perspective view of a seat showing my new design;

FIG. 2 is top view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a right side view thereof, the left side being a mirror image thereof.

The broken lines depicting the base of the seat form no part of the claimed design. 

CLAIM The ornamental design for a seat, as shown and described. 